9-((2R,3R,3aS,9aR)-3-Hydroxy-5,5,7,7-tetraisopropyl-tetrahydro-1,4,6,8-tetraoxa-5,7-disila-cyclopentacycloocten-2-yl)-2-{[(4-methoxy-phenyl)-diphenyl-methyl]-amino}-1,9-dihydro-purin-6-one

Base Information

• Chemical Name: 9-((2R,3R,3aS,9aR)-3-Hydroxy-5,5,7,7-tetraisopropyl-tetrahydro-1,4,6,8-tetraoxa-5,7-disila-cyclopentacycloocten-2-yl)-2-{[(4-methoxy-phenyl)-diphenyl-methyl]-amino}-1,9-dihydro-purin-6-one
• CAS No.: 81243-96-1
• Molecular Formula: C₄₂H₅₅N₅O₇Si₂
• Molecular Weight: 798.099

Synonyms:9-((2R,3R,3aS,9aR)-3-Hydroxy-5,5,7,7-tetraisopropyl-tetrahydro-1,4,6,8-tetraoxa-5,7-disila-cyclopentacycloocten-2-yl)-2-{[(4-methoxy-phenyl)-diphenyl-methyl]-amino}-1,9-dihydro-purin-6-one

Chemical Property of 9-((2R,3R,3aS,9aR)-3-Hydroxy-5,5,7,7-tetraisopropyl-tetrahydro-1,4,6,8-tetraoxa-5,7-disila-cyclopentacycloocten-2-yl)-2-{[(4-methoxy-phenyl)-diphenyl-methyl]-amino}-1,9-dihydro-purin-6-one

Chemical Property:

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Technology Process of 9-((2R,3R,3aS,9aR)-3-Hydroxy-5,5,7,7-tetraisopropyl-tetrahydro-1,4,6,8-tetraoxa-5,7-disila-cyclopentacycloocten-2-yl)-2-{[(4-methoxy-phenyl)-diphenyl-methyl]-amino}-1,9-dihydro-purin-6-one

There total 3 articles about 9-((2R,3R,3aS,9aR)-3-Hydroxy-5,5,7,7-tetraisopropyl-tetrahydro-1,4,6,8-tetraoxa-5,7-disila-cyclopentacycloocten-2-yl)-2-{[(4-methoxy-phenyl)-diphenyl-methyl]-amino}-1,9-dihydro-purin-6-one which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 92.0%

3',5'-O-1,1,3,3-tetraisopropyldisiloxan-1,3-diyl-guanosine (69304-44-5) + mono-4-methoxytrityl chloride (14470-28-1) → 9-((2R,3R,3aS,9aR)-3-Hydroxy-5,5,7,7-tetraisopropyl-tetrahydro-1,4,6,8-tetraoxa-5,7-disila-cyclopentacycloocten-2-yl)-2-{[(4-methoxy-phenyl)-diphenyl-methyl]-amino}-1,9-dihydro-purin-6-one (81243-96-1)

Guidance literature:

With triethylamine; dmap; In dichloromethane; for 3h;

DOI:10.1016/0040-4020(84)85114-5

Reference yield:

1,3-Dichloro-1,1,3,3-tetraisopropyldisiloxane (69304-37-6) → 9-((2R,3R,3aS,9aR)-3-Hydroxy-5,5,7,7-tetraisopropyl-tetrahydro-1,4,6,8-tetraoxa-5,7-disila-cyclopentacycloocten-2-yl)-2-{[(4-methoxy-phenyl)-diphenyl-methyl]-amino}-1,9-dihydro-purin-6-one (81243-96-1)

Guidance literature:

Multi-step reaction with 2 steps

1: 84 percent / imidazole / dimethylformamide

2: 75 percent / triethylamine / 4-(dimethylamino)pyridine / CH₂Cl₂ / 1 h / Ambient temperature

With 1H-imidazole; triethylamine; dmap; In dichloromethane; N,N-dimethyl-formamide;

DOI:10.1246/cl.1982.15

Reference yield:

G (118-00-3) → 9-((2R,3R,3aS,9aR)-3-Hydroxy-5,5,7,7-tetraisopropyl-tetrahydro-1,4,6,8-tetraoxa-5,7-disila-cyclopentacycloocten-2-yl)-2-{[(4-methoxy-phenyl)-diphenyl-methyl]-amino}-1,9-dihydro-purin-6-one (81243-96-1)

Guidance literature:

Multi-step reaction with 2 steps

1: 84 percent / imidazole / dimethylformamide

2: 75 percent / triethylamine / 4-(dimethylamino)pyridine / CH₂Cl₂ / 1 h / Ambient temperature

With 1H-imidazole; triethylamine; dmap; In dichloromethane; N,N-dimethyl-formamide;

DOI:10.1246/cl.1982.15

upstream raw materials:

3',5'-O-1,1,3,3-tetraisopropyldisiloxan-1,3-diyl-guanosine

mono-4-methoxytrityl chloride

1,3-Dichloro-1,1,3,3-tetraisopropyldisiloxane

G

Downstream raw materials:

2-{[(4-Methoxy-phenyl)-diphenyl-methyl]-amino}-9-[(2R,3R,3aR,9aR)-5,5,7,7-tetraisopropyl-3-(tetrahydro-pyran-2-yloxy)-tetrahydro-1,4,6,8-tetraoxa-5,7-disila-cyclopentacycloocten-2-yl]-1,9-dihydro-purin-6-one

Dithiophosphoric acid O-[(2R,3R,4R,5R)-2-[bis-(4-methoxy-phenyl)-phenyl-methoxymethyl]-5-(2-{[(4-methoxy-phenyl)-diphenyl-methyl]-amino}-6-oxo-1,6-dihydro-purin-9-yl)-4-(tetrahydro-pyran-2-yloxy)-tetrahydro-furan-3-yl] ester S,S'-diphenyl ester

9-[(2R,3R,4R,5R)-5-[Bis-(4-methoxy-phenyl)-phenyl-methoxymethyl]-4-hydroxy-3-(tetrahydro-pyran-2-yloxy)-tetrahydro-furan-2-yl]-2-{[(4-methoxy-phenyl)-diphenyl-methyl]-amino}-1,9-dihydro-purin-6-one

9-[(2R,3R,4R,5R)-4-Hydroxy-5-hydroxymethyl-3-(tetrahydro-pyran-2-yloxy)-tetrahydro-furan-2-yl]-2-{[(4-methoxy-phenyl)-diphenyl-methyl]-amino}-1,9-dihydro-purin-6-one

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